X0306 4 2018-01-21 0000028412 COMERICA INC /NEW/ CMA 0001448433 FARMER CURTIS C COMERICA INCORPORATED 1717 MAIN STREET, MC 6404 DALLAS TX 75201 0 1 0 0 President Common Stock 2018-01-21 4 F 0 279 94.99 D 71912 D Employee Stock Option (right to buy) 49.51 2015-01-21 2024-01-21 Common Stock 6385 6385 D Employee Stock Option (right to buy) 42.32 2016-01-27 2025-01-27 Common Stock 7220 7220 D Employee Stock Option (right to buy) 32.97 2017-01-26 2026-01-26 Common Stock 11295 11295 D Employee Stock Option (right to buy) 67.66 2018-01-24 2027-01-24 Common Stock 5695 5695 D Includes shares acquired through employee stock plans as of January 21, 2018. The options vest in four equal annual installments (based on the original grant amount) beginning on the date indicated in this column. /s/ Jennifer S. Perry, on behalf of Curtis C. Farmer through Power of Attorney 2018-01-23